Radhika Nair created CLOUDSTACK-5845:
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             Summary: [doc] Document Heterogeneous Secondary Storage Not 
Supported in Region
                 Key: CLOUDSTACK-5845
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5845
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Doc
    Affects Versions: 4.2.0
            Reporter: Radhika Nair
            Assignee: Radhika Nair
             Fix For: 4.3.0


Current implementation cannot have two zones, one using NFS secondary, the 
other using S3 secondary. CloudStack does not support heterogeneous secondary 
storages in a Region.

There is a limitation of our support for using S3 as Region-wide secondary 
storage. In a cloud, if you add S3 as a secondary storage, you cannot have 
other zone-wide secondary storage existing; For example, if you have an NFS 
secondary storage, you cannot add a S3 as secondary storage. If you want to use 
S3 as secondary storage, then you can add your NFS as S3 staging store only.

Details are
This is documented in the design doc published on ACS 
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Storage+Backup+Object+Store+Plugin+Framework,
 maybe release notes didn't state that clearly. In 4.3, we will support 
migration NFS to S3 by automatically converting existing NFS secondary storage 
to S3 staging stores. See 
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Migration+of+NFS+Secondary+Storage+to+Object+Store
 for details.



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